Washington State Department of Transportation (WSDOT)This is an extract from the State Highway Log that shows lanes designated for acceleration movements at intersection locations. State Route identifiers and locations based on State Route Mileposts and Accumulated Route Mileage are also included for geographic reference and for use with the Washington State Department of Transportation's 24k and 500k Linear Referencing Systems. Please direct questions about this dataset to: TransportationGISDataSteward@wsdot.wa.gov.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/1b3b6e3b67384c94bbdc74e96ccb6d3c_0engState of Washington Geospatial Open Data PortalPublicWSDOT - Roadway Data Acceleration Lanes [Washington (State)]Web servicesWashington (State)Last Modified: 2025-10-07